Grasshopper 721D - Engine will Not Crank

23
Yes
No
No
Yes
Yes
No
continued
A
Key switch is
now OFF.
You
are now testing
a ground circuit.
All tests will be
to the battery
positive (hot)
side.
Does the yellow
wire at starter
solenoid show
ground when
tested? Refer to
figure 13.
Do both wires
on RT steering
switch show
ground when
tested?
RT steering
switch is bad or
out of
adjustment.
Check starter
solenoid.
Problem could be
starter solenoid or
starter.
Do both wires
on LT steering
switch show
ground when
tested?
LT steering
switch is bad or
out of
adjustment.
Does seat switch show ground on both yellow wires?
(Note: Wires must be installed on switch and seat switch
must be activated.)
Both wires show
ground.
Replace starter
relay.
Only one wire
shows ground.
Replace seat
switch.
Neither wire
shows ground.
Replace PTO
switch.
ENGINE WILL NOT CRANK
MODEL 718K.
(Kohler Magnum engines)
+
-
BLUE
YELLOW
RED LEAD
BLACK LEAD
STARTER SOLENOID
VOLT METER
Figure 13